Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:01Z
12r² + 6r + 1 = 0
det| 3 7 ; 2 4 | = -2
168K
∑_{k=1}^{n} k = n(n+1)/2
4t² + 9t + 6 = 0
det| 10 3 ; 4 11 | = 98
259K
det| 5 9 ; 7 6 | = -33
86K
∇²ψ = 0
F = ma
det| 4 8 ; 7 5 | = -36
Fe₂O₃ + 3CO → 2Fe + 3CO₂
70K
\lim_{α\to 0} \frac{\sin α}{α} = 1
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2